CN114720182B - Soil sampler and soil sampling method - Google Patents
Soil sampler and soil sampling method Download PDFInfo
- Publication number
- CN114720182B CN114720182B CN202210232273.3A CN202210232273A CN114720182B CN 114720182 B CN114720182 B CN 114720182B CN 202210232273 A CN202210232273 A CN 202210232273A CN 114720182 B CN114720182 B CN 114720182B
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- sampling
- soil
- sampling tube
- fixed
- sampling box
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- 239000002689 soil Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005527 soil sampling Methods 0.000 title claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 186
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 3
- 238000005553 drilling Methods 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention relates to a soil sampler and a soil sampling method, and belongs to the technical field of soil sampling. This geotome is including can pivoted sampling tube, sampling tube is formed by fixed casing and movable casing butt joint, the outside cover of sampling tube is equipped with the solid fixed ring that is used for fastening fixed casing and movable casing, gu fixed ring can dismantle with the sampling tube and be connected, be equipped with the sampling box that holds the soil sample in the inside of sampling tube, the sampling box is the same with sampling tube cylindric form, sampling box can dismantle with the sampling tube and be connected, sampling box inside is equipped with the piston that can remove along sampling box axis direction, the terminal surface that the open end was kept away from to the sampling box is equipped with the centre bore, the diameter of centre bore is less than the diameter of piston. The soil sampler is convenient to operate, and soil convenient to take out is collected and stored, so that the original state of the soil can be protected no matter in the soil sampling process or the soil sample taking process.
Description
Technical Field
The invention belongs to the technical field of soil engineering survey, and particularly relates to a soil sampler and a soil sampling method.
Background
In engineering geological investigation, in order to solve the properties of other materials such as stratum structures in the natural state of an underground soil layer, a relevant test analysis is usually required to be carried out on an undisturbed sample of the soil, and disturbance is required to be reduced as much as possible in the sampling process of the undisturbed soil, so that the natural structure of the soil is not damaged.
The soil sampler is a special tool for taking soil samples in drilling holes, the common soil sampler is generally a soil sampler connected with a driving shaft, wherein an opening groove is usually formed in the side wall of the soil sampler, after the soil sampler drills into soil to sample the soil, if the soil is taken out of the opening groove in the side wall of the soil sampler, the soil in the soil sampler needs to be scraped by a scraping piece, in the scraping process, the original state of the soil is easily damaged or the original state of the soil is difficult to ensure to take out, although the conventional soil sampler adopts a cylindrical body with two ends being provided with openings, the side wall surface of the cylindrical body is not provided with the opening groove, after the soil of the cylindrical body is taken out, the soil in the cylindrical body can be pushed out through the opening in the top of the cylindrical body, so that the integrity of the soil is ensured as much as possible, but the cylindrical body is generally connected with a driving device at the top, the operation space is limited, so that the soil in the inside is directly pushed out in good condition at the top, and the operation space is very inconvenient.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the soil sampler and the soil sampling method, the soil sampler is convenient to operate, the sampled soil is convenient to collect and store, the original state of the sampled soil can be protected no matter the soil sampling process or the soil sample sampling process is carried out, and the damage to the sampled soil is reduced.
The embodiment of the invention provides a soil sampler, which comprises a sampling tube and a driving shaft, wherein the sampling tube is formed by butt joint of a fixed shell and a movable shell, a fixed ring used for fastening the fixed shell and the movable shell is sleeved outside the sampling tube, the fixed ring is detachably connected with the sampling tube, a sampling box for containing soil samples is arranged inside the sampling tube, the sampling box is the same as the sampling tube in shape and is detachably connected with the sampling tube, one end of the sampling box, which is close to the bottom of the sampling tube, is open, a piston capable of moving along the axial direction of the sampling box is arranged inside the sampling box, a central hole is formed in the end face of the sampling box, which is far away from the open end, and the diameter of the central hole is smaller than that of the piston.
Further, the butt joint surface of the fixed shell is provided with a bulge, and the butt joint surface of the movable shell is provided with a groove for placing the bulge.
Further, an upper positioning boss and a lower positioning boss are arranged on the inner wall of the sampling tube at intervals, and the sampling box is placed between the upper positioning boss and the lower positioning boss.
Further, the inner wall of the sampling tube is provided with a plurality of groups of clamping grooves in the height direction, and a clamping block which can be inserted into a single group of clamping grooves is arranged on one surface of the upper positioning boss, which is contacted with the inner wall of the sampling tube.
Further, the upper positioning boss and the lower positioning boss are arc-shaped bosses.
Further, the fixed shell comprises a top connecting section and a bottom splicing section, wherein the top connecting section is a cylinder, the top connecting section is connected with the driving shaft, and the bottom splicing section is identical to the movable shell in shape.
Further, the drive shaft includes an inner shaft and an outer shaft that are nested and connected, the bottom of the inner shaft being connected to the top connection section, the outer shaft being capable of sliding over the inner shaft, the top of the outer shaft being connected to the drive member.
Further, the inner shaft is provided with first pin holes at intervals in the axial direction, the outer shaft is provided with second pin holes at intervals in the axial direction, and the pin shaft penetrates through the first pin holes and the second pin holes to connect the inner shaft and the outer shaft.
Further, the top of outer axle is connected the fixed plate, and the handle is connected respectively at the both ends of fixed plate, and the driving piece is installed on the fixed plate.
The embodiment of the invention also provides a soil sampling method based on the soil sampling device, which comprises the following steps:
before soil sampling, the fixed ring is detached from the sampling tube in advance, the movable shell is detached to open the sampling tube, the sampling box is fixed on the sampling tube, the opening end of the sampling box is downward, the movable shell is installed, and the two shells are fixed through the fixed ring;
the sampling tube is driven to rotate to start sampling work, the sampling tube is taken out when drilling into a preset depth, the fixed ring and the movable shell are detached to take out the sampling box, the other sampling box is replaced at the same time, and finally the sampling tube is closed to repeat the operation.
The beneficial effects of the invention are as follows:
the soil sampler provided by the invention can directly place the sampling box in the sampling tube to fix before working, the opening end of the sampling box faces to the bottom, and simultaneously, the two shells are fixed through the fixing ring, so that when the sampling tube drills into soil, a soil sample can directly enter the sampling box to be stored, the inner diameter of the piston is larger than the diameter of the central hole, the piston cannot be pushed out, after the soil is taken out, the sampling tube is opened to directly take out the sampling box, the original state of the soil sample can be ensured to be taken out, the storage and the research are convenient, meanwhile, when the soil of the sampling box is taken out for the research, the piston can be pushed along the central hole of the end surface of the sampling box, the soil in the box can be pushed out with a certain horizontal force by utilizing the contact of the piston and the soil surface, and the original state of the taken out soil sample cannot be destroyed.
Drawings
FIG. 1 is a schematic view of a soil sampler according to an embodiment of the present invention;
FIG. 2 is a block diagram of a sampling tube in the structure of the soil sampler according to the embodiment of the present invention;
FIG. 3 is a block diagram of a stationary housing in a sampling cartridge according to an embodiment of the present invention;
FIG. 4 is a block diagram of a movable housing in a sampling cartridge according to an embodiment of the present invention;
FIG. 5 is a block diagram of an upper positioning boss in a sampling tube according to an embodiment of the present invention;
FIG. 6 is a block diagram of a sampling cartridge without a movable housing provided in an embodiment of the present invention;
fig. 7 is a block diagram of a sampling tube in the sampling tube according to an embodiment of the present invention.
In the figure: 1. the inner shaft, 2, the outer shaft, 3, the fixed ring, 4, the sampling tube, 41, the fixed shell, 42, the movable shell, 44, the rectangular bulge, 45, the rectangular groove, 46, the upper positioning boss, 47, the lower positioning boss, 48, the clamping groove, 49, the clamping block, 5, the fixed plate, 6, the handle, 7, the driving motor, 8, the sampling box, 81 and the center hole.
Detailed Description
Referring to fig. 1, 2 and 6, an embodiment of the present invention provides an earth sampler including a sampling tube 4 for drilling into the ground, the top of the sampling tube 4 being connected to a driving shaft, and the sampling tube 4 being controlled to rotate by the driving shaft so as to drill into the ground for sampling soil.
The sampling tube 4 is formed by splicing a fixed shell 41 and a movable shell 42, a fixed ring 3 is sleeved outside the fixed shell 41 and the movable shell 42, and the fixed shell 41 and the movable shell 42 can be connected and fixed through the fixed ring 3, so that the stability of the sampling tube 4 in the process of drilling into the ground is ensured.
The fixed ring 3 is connected with the outside of the sampling tube 4 through threads, so that the fixed ring 3 can be rotated to realize the connection and separation of the fixed shell 41 and the movable shell 42.
In this embodiment, on the inner walls of the fixed casing 41 and the movable casing 42, an upper positioning boss 46 and a lower positioning boss 47 are disposed at intervals along the axial direction of the fixed casing 41 and the movable casing 42, a sampling box 8 is disposed between the upper positioning boss 46 and the lower positioning boss 47, the shape of the sampling box is identical to that of the sampling tube, the outer wall of the sampling box is tightly attached to the inner wall of the sampling tube, the end of the sampling box 8, which is close to the bottom of the sampling tube 4, is open, and after the sampling tube 4 continuously drills into the ground, soil gradually enters into the sampling box 8, so as to ensure the original shape of the soil.
Further, the one end that the sampling box is close to sampling tube bottom is uncovered, and the inside piston that can slide that is equipped with of sampling box, the piston is hugged closely with the inner wall of sampling box, and the terminal surface that the sampling box kept away from uncovered end is equipped with the centre bore.
Therefore, the geotome that this embodiment provided can directly place the sampling box at sampling tube internal fixation before its work, with its open end towards the bottom, rethread solid fixed ring is given two casings simultaneously and is fixed, like this when the sampling tube bores into soil, the soil sample can directly enter into the sampling box in store, after getting out soil, open the sampling tube directly take out the sampling box can, because the soil sample directly enters into the sampling box can guarantee the layering nature of soil sample, the storage research of being convenient for, when taking out the soil of sampling box simultaneously and doing the research, can promote the piston along the centre bore of sampling box terminal surface, and then with the soil in the box release can, can not destroy the layering nature of soil sample.
Specifically, referring to fig. 3 and 4, in this embodiment, a rectangular protrusion 44 is disposed on a butt-joint surface of the fixed housing 41 and the movable housing 42, and a rectangular groove 45 is disposed on a butt-joint surface of the movable housing 42 and the fixed housing 41, so that when the fixed housing 41 and the movable housing 42 are in butt-joint, the rectangular protrusion 44 can be directly embedded into the rectangular groove 45, ensuring stability after the two are spliced, and preventing shaking deformation.
The rectangular projections 44 are the same length as the abutting surface of the fixed housing 41, or the rectangular projections 44 are provided in sections on the abutting surface of the fixed housing 41.
Of course, the shape of the projection is not limited to a rectangle, but may be other shapes, such as a hemispherical shape, or the like.
One end of the semicircular screw thread is arranged at the same position of the top of the fixed shell 41 and the movable shell 42, when the two shells are spliced together, the two semicircular screw threads are just spliced into a whole circle of screw thread, and the inner wall of the fixed ring 3 is provided with the inner screw thread, so that the fixed ring 3 can be detached only by rotating.
Preferably, the fixed ring 3 in this embodiment is mounted and fixed on the upper parts of the fixed housing 41 and the movable housing 42, so that the effect of the penetration of the sampling tube 4 is avoided when the sampling tube 4 starts to penetrate the ground, because the diameter of the fixed ring 3 is larger than that of the sampling tube 4.
Meanwhile, the diameter of the fixed ring 3 is far larger than that of the driving shaft, when the fixed ring 3 is disassembled, the fixed ring 3 can be disassembled and sleeved on the driving shaft, and then when the fixed ring 3 is assembled, the fixed ring 3 can be assembled on the fixed shell 41 and the movable shell 42.
Referring to fig. 4-5, the fixed housing 41 and the movable housing 42 in this embodiment are provided with an upper positioning boss 46 and a lower positioning boss 47 for fixing the sampling box, the sampling box is mounted between the upper positioning boss 46 and the lower positioning boss 47, and when the sampling box is placed, the sampling box can be directly clamped between the upper positioning boss 46 and the lower positioning boss 47, which is simple and convenient.
The inner wall height direction of the movable shell and the fixed shell is provided with a plurality of groups of clamping grooves, the surface of the upper positioning boss, which is in contact with the sampling box, is provided with clamping blocks with the same single group of clamping grooves, the clamping blocks through the upper positioning boss are inserted into the clamping grooves on the inner wall, so that the installation and positioning of the upper positioning boss can be realized, and the distance between the upper positioning boss and the lower positioning boss can be adjusted according to the size of the sampling box, thereby improving the diversity of the device.
As shown in fig. 7, the sampling box 8 for placing the soil sample in this embodiment is cylindrical, the bottom of the sampling box 8 is open, and when the sampling box 8 is installed, the open end of the sampling box 8 can be downward, so that the soil gradually enters into the sampling box 8 to complete the sampling of the soil along with the continuous downward movement of the sampling tube 4.
Considering that the soil sample needs to be taken out in the later stage, so be equipped with a movable piston in the inside of sampling box 8, the diameter of piston equals the internal diameter of sampling box 8, the edge of piston hugs closely with the inner wall of sampling box 8, be equipped with a centre bore 81 on the terminal surface of the other end of sampling box 8 simultaneously, in this way along with soil continuously enter into sampling box 8, the soil can promote the piston towards the other end, namely be close to the bottom surface gradually, finally the piston is direct hugs closely the bottom surface of sampling box 8, the centre bore of sampling box 8 bottom can also be plugged up through the piston like this, avoid soil to fall out from the centre bore.
When the soil in the sampling box 8 needs to be taken out, the soil can be inserted from the central hole at the bottom of the sampling box 8 through a pushing shaft, then the piston is pushed, the soil is gradually taken out through the piston, and thus the soil is conveniently taken out, and the soil is not damaged in the hierarchy.
In order to facilitate storage of the sampling box 8, the open end of the sampling box 8 in this embodiment may be connected with an end cover, and when the sampling box 8 is taken out, the end cover covers the open end of the sampling box 8 to realize closing of the sampling box 8, so as to avoid soil pollution.
Preferably, the sampling box in this embodiment may be a transparent box, and when the sampling box is closed, the layered distribution of the soil may be taken out through external observation.
In order to realize the rotation of the sampling tube 4, referring to fig. 1, the top of the sampling tube 4 of this embodiment is connected with a driving shaft, the top of the driving shaft is connected with a fixing plate 5, a driving motor 7 is arranged on the fixing plate 5, an output shaft of the driving motor 7 is connected with the end of the driving shaft through a shaft connector, and the rotation of the driving shaft can be controlled through the driving motor 7, so as to realize the drilling of the sampling tube 4.
In this embodiment, the handles 6 are disposed at two ends of the fixing plate 5, and in the process of rotating the sampling tube 4, an operator grips the handles 6 to apply a downward force to the driving shaft, so as to implement the drilling process of the sampling tube 4.
After drilling, the operator again applies an upward force to the drive shaft via the handle 6, thereby extracting the sampling tube 4 from the earth.
Referring to fig. 1, the driving shaft in this embodiment comprises an inner shaft 1 and an outer shaft 2 which are nested with each other, wherein the bottom of the inner shaft 1 is connected with a sampling tube 4, and the outer shaft 2 is sleeved outside the inner shaft 1 and can slide on the inner shaft 1, so that the length of the driving shaft can be adjusted according to specific working environments.
The inner shaft 1 is provided with a plurality of first pin holes at intervals in the height direction, the outer shaft 2 is provided with a plurality of second pin holes at intervals in the height direction, and when the first pin holes and the second pin holes are overlapped, the inner shaft 1 and the outer shaft 2 can be fixed by inserting the pin shafts into the two pin holes.
Referring to fig. 2 and 3, the top connecting section and the bottom splicing section of the fixed housing 41 in this embodiment are cylindrical, and the top connecting section is connected to the inner shaft of the driving shaft, through which the rotational driving force is transmitted to the entire driving body.
The bottom splicing section and the movable housing 42 are the same as each other in shape and are semi-cylindrical, and the sampling box 8 is placed between the movable housing 42 and the fixed housing 41, as shown in fig. 4, the lower positioning boss 47 in this embodiment is located close to the bottoms of the movable housing 42 and the bottom splicing section, so that the soil on the ground can quickly enter the sampling box.
In this embodiment, the upper positioning boss 46 and the lower positioning boss 47 are respectively disposed on the inner walls of the bottom splicing sections of the movable housing 42 and the fixed housing, and the upper positioning boss 46 and the lower positioning boss 47 are equally divided into two ends, so that the upper positioning boss 46 and the lower positioning boss 47 can be aligned to fix the sampling box when the movable housing is mounted.
The bottom of the sampling tube 4 in this embodiment, that is, the edges provided at the bottoms of the fixed housing 41 and the movable housing 42 may be provided in a zigzag or ring shape, which facilitates the rotary drilling of the sampling tube 4.
The following describes the use method of the soil sampler based on the foundation rock soil test in detail, and the method comprises the following steps:
step one: the fixed ring 3 is unscrewed from the sampling tube in advance before use, then hung on the driving shaft, then the movable shell 42 is dismounted to open the sampling tube 4, and meanwhile, the sampling box 8 is placed between the upper positioning boss 46 and the lower positioning boss 47 on the inner walls of the fixed shell 41 and the movable shell 42 to be fixed, and the fixed ring 3 is screwed on after the movable shell is installed, so that the sampling tube is closed.
Step two: the drive motor 7 is started to realize the rotation of the sampling tube 4, and simultaneously, a downward force is applied to the handle 6 on the fixed plate 5 to drive the sampling tube 4 to move downwards, meanwhile, soil continuously enters into the sampling box 8 from the open end of the sampling box 8, and after the sampling box 8 is filled, an upward force is applied to the handle 6 on the fixed plate 5 to pull out the sampling tube 4, so that the sampling work is completed.
Step three: after taking out the sampling tube 4, unscrewing the fixed ring 3 to hang it on the driving shaft, detaching the movable shell 42 to open the sampling tube 4, taking out the sampling box 8 filled with soil, then putting in a new sampling box 8, then closing the sampling tube 4 again, repeating the operation process of the second step, that is, when taking out the soil in the sampling box 8 again, inserting the soil through a push rod along the central hole of the end part of the sampling tube to apply a horizontal force to the piston, and using the contact of the piston with the end surface of the soil in the interior to take out the soil.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (5)
1. The utility model provides a geotome, including sampling tube and drive shaft, its characterized in that, sampling tube is formed by fixed casing and movable casing butt joint, sampling tube outside cover is equipped with the solid fixed ring that is used for fastening fixed casing and movable casing, gu fixed ring and sampling tube can dismantle the connection, be equipped with the sampling box that holds the soil sample in the inside of sampling tube, sampling box is the same with sampling tube form, and can dismantle the connection with sampling tube, sampling box is close to sampling tube bottom one end is uncovered, sampling box inside is equipped with the piston that can follow sampling box axis direction and remove, sampling box keeps away from the terminal surface of uncovered end is equipped with the centre bore, the diameter of centre bore is less than the diameter of piston, after sampling tube constantly bores ground, soil can get into sampling box gradually, after getting soil, open sampling tube can directly take out sampling box, in order to guarantee the layering nature and the original shape of soil sample;
the butt joint surface of the fixed shell and the movable shell is provided with a rectangular bulge, the butt joint surface of the movable shell and the fixed shell is provided with a rectangular groove, and when the fixed shell and the movable shell are in butt joint, the rectangular bulge can be directly embedded into the rectangular groove, so that the stability after splicing is ensured;
one end of the semicircular screw thread is arranged at the same position of the top of the fixed shell and the top of the movable shell, when the two shells are spliced together, the two semicircular screw threads are spliced into a whole circle of screw thread, the inner wall of the fixed ring is provided with an inner screw thread, and the movable shell can be detached by rotating the fixed ring;
the upper positioning boss and the lower positioning boss are respectively arranged on the inner walls of the splicing sections at the middle bottom of the movable shell and the fixed shell, the upper positioning boss and the lower positioning boss are evenly divided into two ends, and the sampling box is placed between the upper positioning boss and the lower positioning boss;
the inner wall of the sampling tube is provided with a plurality of groups of clamping grooves in the height direction, one surface of the upper positioning boss, which is contacted with the inner wall of the sampling tube, is provided with a clamping block which can be inserted into a single group of clamping grooves, and the distance between the upper positioning boss and the lower positioning boss is adjustable;
the upper positioning boss and the lower positioning boss are arc-shaped bosses;
the drive shaft comprises an inner shaft and an outer shaft which are connected in a nested manner, wherein the bottom of the inner shaft is connected with the top connecting section, the outer shaft can slide on the inner shaft, and the top of the outer shaft is connected with the driving piece.
2. The geotome of claim 1, wherein the stationary housing comprises a top connecting section and a bottom mating section, wherein the top connecting section is cylindrical and the top connecting section is connected to the drive shaft, and wherein the bottom mating section is the same shape as the movable housing.
3. A soil sampler according to claim 1 wherein the inner shaft is provided with first pin holes spaced axially and the outer shaft is provided with second pin holes spaced axially, the pins passing through the first pin holes and the second pin holes to connect the inner shaft and the outer shaft.
4. A soil sampler according to claim 1 wherein the top of the outer shaft is connected to a fixed plate, the fixed plate being connected at each end to a handle, and the drive member being mounted on the fixed plate.
5. A soil sampling method based on a soil sampling device according to any one of claim 1 to 4, characterized in that,
before soil sampling, the fixed ring is detached from the sampling tube in advance, the movable shell is detached to open the sampling tube, the sampling box is fixed on the sampling tube, the opening end of the sampling box is downward, the movable shell is installed, and the two shells are fixed through the fixed ring;
the sampling tube is driven to rotate to start sampling work, the sampling tube is taken out when drilling into a preset depth, the fixed ring and the movable shell are detached to take out the sampling box, the other sampling box is replaced at the same time, and finally the sampling tube is closed to repeat the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232273.3A CN114720182B (en) | 2022-03-09 | 2022-03-09 | Soil sampler and soil sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232273.3A CN114720182B (en) | 2022-03-09 | 2022-03-09 | Soil sampler and soil sampling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114720182A CN114720182A (en) | 2022-07-08 |
| CN114720182B true CN114720182B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210232273.3A Active CN114720182B (en) | 2022-03-09 | 2022-03-09 | Soil sampler and soil sampling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6712161B1 (en) * | 2001-12-21 | 2004-03-30 | Gd Air Testing, Inc. | Tool and method for soil sampling |
| CN106017983A (en) * | 2016-07-25 | 2016-10-12 | 甘肃农业大学 | Multifunctional lawn soil sampler |
| CN208568346U (en) * | 2018-07-03 | 2019-03-01 | 李翠兰 | A kind of agricultural soil testing and fertilizer recommendation sampler |
| CN210198763U (en) * | 2019-07-18 | 2020-03-27 | 生态环境部南京环境科学研究所 | Soil sampling subassembly and sampling device |
| CN214373503U (en) * | 2021-03-09 | 2021-10-08 | 烟台市水文局（烟台市水土保持监测站） | Soil sample detects device of fetching soil |
| CN113720636A (en) * | 2021-08-23 | 2021-11-30 | 浙江华东建设工程有限公司 | Portable pit-exploring thin-wall soil sampling device and method |
| CN113959752A (en) * | 2021-10-19 | 2022-01-21 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Geological survey is with device that fetches earth |
-
2022
- 2022-03-09 CN CN202210232273.3A patent/CN114720182B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6712161B1 (en) * | 2001-12-21 | 2004-03-30 | Gd Air Testing, Inc. | Tool and method for soil sampling |
| CN106017983A (en) * | 2016-07-25 | 2016-10-12 | 甘肃农业大学 | Multifunctional lawn soil sampler |
| CN208568346U (en) * | 2018-07-03 | 2019-03-01 | 李翠兰 | A kind of agricultural soil testing and fertilizer recommendation sampler |
| CN210198763U (en) * | 2019-07-18 | 2020-03-27 | 生态环境部南京环境科学研究所 | Soil sampling subassembly and sampling device |
| CN214373503U (en) * | 2021-03-09 | 2021-10-08 | 烟台市水文局（烟台市水土保持监测站） | Soil sample detects device of fetching soil |
| CN113720636A (en) * | 2021-08-23 | 2021-11-30 | 浙江华东建设工程有限公司 | Portable pit-exploring thin-wall soil sampling device and method |
| CN113959752A (en) * | 2021-10-19 | 2022-01-21 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Geological survey is with device that fetches earth |
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| Publication number | Publication date |
|---|---|
| CN114720182A (en) | 2022-07-08 |
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